The Duramax is a General Motors diesel engine family for
light- and medium duty trucks, designed by Isuzu. The
6.6-liter Duramax is produced by DMAX, a joint venture between GM and Isuzu in
Moraine, Ohio. This engine was initially installed in 2001 model year Chevy and GMC trucks and has been an
option since then in pickups, vans, and medium-duty trucks. In 2006, production
at Moraine was reportedly limited to approximately 200,000 engines per year. On
May 9, 2007, DMAX announced the production of the 1,000,000th Duramax V-8 diesel
at its Moraine facility.